Mustahab and Makrooh actions

Q: Can children play ball in the masjid and what is the proof of it?

Q: Is using the Masjid as a pathway from one side to the other haraam or makrooh e tahreemi or makrooh e tanzihi?

Q: Recently there has been a trend of using monitors in masjids to show presentations and sometimes even videos. Even without videos or pictures isn’t this something very disliked?

Q: What is the ruling in keeping a cat in the Masjid building and it living there? But it won't be kept in the actual Masjid?

Q: Can a child who is still in his nappies be brought to the masjid? A toddler around the age of 2-3 years in age.

Q: Please comment on the practice of erecting flat screen TVs in the Musjid for the purpose of displaying salaah times and notices. The 'Ulama always told us that selling TVs are haraam, but now it seems acceptable to buy TVs for use in the Musjid.

Q: Is it a sunnah practice to burn incense in the musjid or the home on a Friday?

Q: If I am in a state of janaabat and I say bismillah before entering the masjid, is it kufr because I said bismillah before doing something haram (entering the masjid in the state of janaabat)?

Q: Our Masaajid here in the UK tend to have a table tennis table or pool table at the rear of the masjid to attract the youth to come to the masaajid or organise a trainee to train them to boxing etc. Would that be permissible or would it be considered لهو ولعب ?? Jzk

Q: On the 24th of September, which is heritage day, many masaajid have open days in which they allow non-Muslims (men and women) to enter the musjid in order to learn about Islam. Please explain whether it should be encouraged or not?